ALDEHYDE ADSORBENT

PROBLEM TO BE SOLVED: To provide an adsorbent excellent in adsorbing and removing an aldehyde such as acetaldehyde contained in cigarette fume which is one of the greatest causes of an odor in air. SOLUTION: The aldehyde adsorbent is constituted of porous silica having a mean pore diameter of greate...

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Bibliographische Detailangaben
Hauptverfasser:	KITAHATA KOICHI, YAMAZAKI YOSHIKI, KASAMA YUKI, YANAGI MASAAKI, NANBU HIRONOBU
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY DISINFECTION, STERILISATION, OR DEODORISATION OF AIR HUMAN NECESSITIES HYGIENE MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an adsorbent excellent in adsorbing and removing an aldehyde such as acetaldehyde contained in cigarette fume which is one of the greatest causes of an odor in air. SOLUTION: The aldehyde adsorbent is constituted of porous silica having a mean pore diameter of greater than 1 nm and a compound comprising an amino group and/or an imino group, which aldehyde adsorbent contains an amino group and/or an imino group in an amount of 1.0 to 20 mmol per gram of the aldehyde adsorbent and has a X-ray diffraction pattern with at least one peak at a position where d-spacing is greater than 2 nm. COPYRIGHT: (C)2009,JPO&INPIT